Bluetooth Module
CSRA64215 Bluetooth 4.2 Module Board Support APT-X Decoding Stereo Audio I2S Output
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Bluetooth Module
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CSRA64215 Bluetooth 4.2 Module Board Support APT-X Decoding Stereo Audio I2S Output
Model No: WHFBM-64215
Used CSRA64215 chip, support APT-X lossless decoding, built in voltage level conversion IC onboard, reserved MCLK active crystal, and support for external antenna.
Board size:
1. 30 × 25MM
2. Punch spacing: 2.54
Pin Description:
1. VCC: power supply positive, supply voltage 3.5-6V
2. GND: Negative power supply
3. DATA: I2S data output
4. LRCLK: I2S frame clock
5. BCK: Serial clock
6. MCLK: floating, you can solder an active crystal to the external to provide the main clock. (Cannot do synchronization I2S)
7. SD: external enable pin, Bluetooth audio output when the 1.8V high, can be used to control the external DAC enable
8. SCL: floating, reserved for I2C, the current software does not support.
9. SDA: floating, reserved for I2C, the current software does not support.
10. PP: Play Pause button
11. VOL +: volume plus key, click on a song, long press the volume plus
12. VOL-: volume down key, click on a song, long press the volume minus
13. COM: power supply to button switch
LED Status Description:
1. LED flash: match the state, this state can be found by the mobile phone Bluetooth
2. LED is always lit: connection status, indicating that Bluetooth has been established connection
3. LED interval 2S flash once: standby state.
Note: we provide you some items and components for your DIY. If you have enough capablities for circuit-reading, electronical components knowledge, assembling, soldering and problem-solving, you can buy them to enjoy DIY. If not, please don't buy them. We only provide limit technology support in this individial items itself.
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